Show plain JSON{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "C50E9CE0-9960-4939-A6C1-E6E69F464456", "vulnerable": true}, {"criteria": "cpe:2.3:a:insyde:insydeh2o:5.1:*:*:*:*:*:*:*", "matchCriteriaId": "6F486B49-3E4C-43BD-9165-8D159EBE74F9", "vulnerable": true}, {"criteria": "cpe:2.3:a:insyde:insydeh2o:5.2:*:*:*:*:*:*:*", "matchCriteriaId": "2BA6B7DE-2275-41D9-BFD0-066AC3912055", "vulnerable": true}, {"criteria": "cpe:2.3:a:insyde:insydeh2o:5.3:*:*:*:*:*:*:*", "matchCriteriaId": "24E601E3-FCF5-4907-BCB1-E5D331896E40", "vulnerable": true}, {"criteria": "cpe:2.3:a:insyde:insydeh2o:5.4:*:*:*:*:*:*:*", "matchCriteriaId": "88E0151F-0A27-4F69-96B4-A40B00719107", "vulnerable": true}, {"criteria": "cpe:2.3:a:insyde:insydeh2o:5.5:*:*:*:*:*:*:*", "matchCriteriaId": "E87C1381-CDD4-4A1C-AF59-32873BDF2730", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. Due to insufficient input validation, an attacker can tamper with a runtime-accessible EFI variable to cause a dynamic BAR setting to overlap SMRAM."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en Insyde InsydeH2O con los kernels 5.0 a 5.5. Debido a una validaci\u00f3n de entrada insuficiente, un atacante puede alterar una variable EFI accesible en tiempo de ejecuci\u00f3n para provocar que una configuraci\u00f3n de BAR din\u00e1mica se superponga a SMRAM."}], "id": "CVE-2023-27373", "lastModified": "2025-03-07T20:15:36.693", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2023-08-07T15:15:10.893", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.insyde.com/security-pledge/SA-2023035"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.insyde.com/security-pledge/SA-2023035"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}